set PERIOD  3.0
set INPUT_DELAY  1.0
set OUTPUT_DELAY  1.0
set INPUTPORTS [all_inputs] 
set OUTPUTPORTS [all_outputs]

## CLOCK BASICS
create_clock -period $PERIOD clk
set_clock_uncertainty 0.30 [get_clocks clk ]
set_clock_transition 0.20 [get_clocks clk ]


set_input_delay -clock clk $INPUT_DELAY $INPUTPORTS
set_output_delay -clock clk $OUTPUT_DELAY $OUTPUTPORTS




